Finding the Third Proportional to 21,520.69 and 23,707.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,520.69 : 23,707.69 = 23,707.69 : x
2. Step 2: Convert to fraction form
   21,520.69/23,707.69 = 23,707.69/x
3. Step 3: Cross multiply
   21,520.69x = 23,707.69 × 23,707.69
4. Step 4: Simplify right side
   21,520.69x = 562,054,446.60
5. Step 5: Solve for x
   x = 562,054,446.60/21,520.69
6. Step 6: Final answer
   x = 26,116.94